40378325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 36

約数和(自身を含む): 57183840

約数和(自身を除く): 16805515

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 503, 845, 1235, 2515, 3211, 4225, 6175, 6539, 9557, 12575, 16055, 32695, 47785, 80275, 85007, 124241, 163475, 238925, 425035, 621205, 1615133, 2125175, 3106025, 8075665, 40378325]

約数ペア:

[(1, 40378325), (5, 8075665), (13, 3106025), (19, 2125175), (25, 1615133), (65, 621205), (95, 425035), (169, 238925), (247, 163475), (325, 124241), (475, 85007), (503, 80275), (845, 47785), (1235, 32695), (2515, 16055), (3211, 12575), (4225, 9557), (6175, 6539)]